NEET Physics: Waves — MCQ Test 17

Q6. Two waves of frequencies 500 Hz and 504 Hz interfere to produce beats. How many beats are heard in 10 seconds?

Q7. In a standing wave on a string, what is true about the energy at a node?

Q8. A pipe open at both ends has a length of 0.25 m and a speed of sound of 340 m/s. What is the frequency of its second harmonic?

Q9. Two waves \( y_1 = 4 \sin (6x - 18t) \) and \( y_2 = 4 \sin (6x - 18t + \frac{\pi}{3}) \) interfere. What is the amplitude of the resultant wave?

Q10. A longitudinal wave in a medium has a speed of 1450 m/s and a density of 1100 kg/m³. What is the bulk modulus of the medium?

NEET Physics — Waves

Free MCQ Test 17 of 22

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A string of length 2 m and mass 0.04 kg is under a tension of 100 N. What is the speed of a transverse wave on the string?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Waves. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Transverse, Stationary, Wavelength, Resonates, Frequency, and Harmonic.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A string of length 2 m and mass 0.04 kg is under a tension of 100 N. What is the speed of a transverse wave on the string?

  • A. 70.7 m/s
  • B. 60 m/s
  • C. 80 m/s
  • D. 90 m/s

Q2. A stationary wave is given by \( y = 0.06 \sin (\frac{\pi x}{2}) \cos (120\pi t) \), where \( x \) and \( y \) are in meters and \( t \) in seconds. What is its wavelength?

  • A. 2 m
  • B. 8 m
  • C. 4 m
  • D. 6 m

Q3. A pipe open at both ends has a length of 0.45 m and resonates with a source of frequency 1133 Hz. What is the harmonic number if the speed of sound is 340 m/s?

  • A. 2
  • B. 4
  • C. 5
  • D. 3

Q4. A stationary wave on a string fixed at both ends has a frequency of 120 Hz and a wave speed of 48 m/s. What is the length of the string?

  • A. 0.15 m
  • B. 0.18 m
  • C. 0.25 m
  • D. 0.2 m

Q5. A string of length 1.5 m fixed at both ends has a wave speed of 45 m/s. What is the frequency of its fifth harmonic?

  • A. 60 Hz
  • B. 70 Hz
  • C. 75 Hz
  • D. 80 Hz

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